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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.logging.log4j.core.config;
import java.util.Objects;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.Marker;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.message.Message;
import org.apache.logging.log4j.status.StatusLogger;
import org.apache.logging.log4j.util.PropertiesUtil;
import org.apache.logging.log4j.util.Supplier;
/**
* Reliability strategy that sleeps unconditionally for some time before allowing a Configuration to be stopped.
*/
public class AwaitUnconditionallyReliabilityStrategy implements ReliabilityStrategy, LocationAwareReliabilityStrategy {
private static final long DEFAULT_SLEEP_MILLIS = 5000; // 5 seconds
private static final long SLEEP_MILLIS = sleepMillis();
private final LoggerConfig loggerConfig;
public AwaitUnconditionallyReliabilityStrategy(final LoggerConfig loggerConfig) {
this.loggerConfig = Objects.requireNonNull(loggerConfig, "loggerConfig is null");
}
private static long sleepMillis() {
return PropertiesUtil.getProperties()
.getLongProperty("log4j.waitMillisBeforeStopOldConfig", DEFAULT_SLEEP_MILLIS);
}
/*
* (non-Javadoc)
*
* @see org.apache.logging.log4j.core.config.ReliabilityStrategy#log(org.apache.logging.log4j.util.Supplier,
* java.lang.String, java.lang.String, org.apache.logging.log4j.Marker, org.apache.logging.log4j.Level,
* org.apache.logging.log4j.message.Message, java.lang.Throwable)
*/
@Override
public void log(
final Supplier reconfigured,
final String loggerName,
final String fqcn,
final Marker marker,
final Level level,
final Message data,
final Throwable t) {
loggerConfig.log(loggerName, fqcn, marker, level, data, t);
}
/*
* (non-Javadoc)
*
* @see org.apache.logging.log4j.core.config.ReliabilityStrategy#log(org.apache.logging.log4j.util.Supplier,
* java.lang.String, java.lang.String, java.lang.StackTraceElement, org.apache.logging.log4j.Marker,
* org.apache.logging.log4j.Level, org.apache.logging.log4j.message.Message, java.lang.Throwable)
*/
@Override
public void log(
final Supplier reconfigured,
final String loggerName,
final String fqcn,
final StackTraceElement location,
final Marker marker,
final Level level,
final Message data,
final Throwable t) {
loggerConfig.log(loggerName, fqcn, location, marker, level, data, t);
}
/*
* (non-Javadoc)
*
* @see org.apache.logging.log4j.core.config.ReliabilityStrategy#log(org.apache.logging.log4j.util.Supplier,
* org.apache.logging.log4j.core.LogEvent)
*/
@Override
public void log(final Supplier reconfigured, final LogEvent event) {
loggerConfig.log(event);
}
/*
* (non-Javadoc)
*
* @see
* org.apache.logging.log4j.core.config.ReliabilityStrategy#beforeLogEvent(org.apache.logging.log4j.core.config.
* LoggerConfig, org.apache.logging.log4j.util.Supplier)
*/
@Override
public LoggerConfig getActiveLoggerConfig(final Supplier next) {
return this.loggerConfig;
}
/*
* (non-Javadoc)
*
* @see org.apache.logging.log4j.core.config.ReliabilityStrategy#afterLogEvent()
*/
@Override
public void afterLogEvent() {
// no action
}
/*
* (non-Javadoc)
*
* @see org.apache.logging.log4j.core.config.ReliabilityStrategy#beforeStopAppenders()
*/
@Override
public void beforeStopAppenders() {
// no action
}
/*
* (non-Javadoc)
*
* @see
* org.apache.logging.log4j.core.config.ReliabilityStrategy#beforeStopConfiguration(org.apache.logging.log4j.core
* .config.Configuration)
*/
@Override
public void beforeStopConfiguration(final Configuration configuration) {
// only sleep once per configuration stop
if (loggerConfig == configuration.getRootLogger()) {
try {
Thread.sleep(SLEEP_MILLIS);
} catch (final InterruptedException e) {
StatusLogger.getLogger().warn("Sleep before stop configuration was interrupted.");
}
}
}
}